2019-01-16 22:36:31 +00:00
|
|
|
title: Suspicious XOR Encoded PowerShell Command Line
|
|
|
|
description: Detects suspicious powershell process which includes bxor command, alternatvide obfuscation method to b64 encoded commands.
|
|
|
|
status: experimental
|
|
|
|
author: Sami Ruohonen
|
|
|
|
date: 2018/09/05
|
2019-03-05 22:25:49 +00:00
|
|
|
tags:
|
|
|
|
- attack.execution
|
|
|
|
- attack.t1086
|
2019-01-16 22:36:31 +00:00
|
|
|
detection:
|
2019-03-01 23:14:20 +00:00
|
|
|
selection:
|
|
|
|
CommandLine:
|
|
|
|
- '* -bxor*'
|
|
|
|
condition: selection
|
2019-01-16 22:36:31 +00:00
|
|
|
falsepositives:
|
2019-03-01 23:14:20 +00:00
|
|
|
- unknown
|
2019-01-16 22:36:31 +00:00
|
|
|
level: medium
|
|
|
|
logsource:
|
2019-03-01 23:14:20 +00:00
|
|
|
category: process_creation
|
|
|
|
product: windows
|